Sangoma A20402E FXO/FXS PCI Express Card.
Sangoma A200 Series of Analog Voice Cards deliver superior audio quality in a compact 2U card that expands from two to twenty-four ports using a single interface slot.
For optimum echo-cancelled voice quality and enhancement choose the A200D Model with DSP daughterboard Hardware Echo Canceller. One DSP echo canceller on the A200D Base Card will support Telco-grade hardware echo cancellation on all channels up to the card's maximum configuration in 24 p...

Digium A8B05 FXO/FXS PCI Express Card.
Digium A8B Series of analog cards supports up to eight (8) connections per card in your Asterisk system. Using Digium's advanced quad-port interface modules, A8B Series cards can scale from one (1) to eight (8) ports.The modular nature of the cards allows you to mix and match between line (FXO) and station (FXS) interfaces, giving you exactly the ports you need.
Digium cards are compatible with all versions of Asterisk using the DAHDI driver framewo...

Sangoma A20400DE FXO/FXS PCI Express Card with HW EC.
Sangoma A200 Series of Analog Voice Cards deliver superior audio quality in a compact 2U card that expands from two to twenty-four ports using a single interface slot.
For optimum echo-cancelled voice quality and enhancement choose the A200D Model with DSP daughterboard Hardware Echo Canceller. One DSP echo canceller on the A200D Base Card will support Telco-grade hardware echo cancellation on all channels up to the card's maximum configura...

Sangoma A20301DE FXO/FXS PCI Express Card with HW EC.
Sangoma A200 Series of Analog Voice Cards deliver superior audio quality in a compact 2U card that expands from two to twenty-four ports using a single interface slot.
For optimum echo-cancelled voice quality and enhancement choose the A200D Model with DSP daughterboard Hardware Echo Canceller. One DSP echo canceller on the A200D Base Card will support Telco-grade hardware echo cancellation on all channels up to the card's maximum configura...

Sangoma A20303E FXO/FXS PCI Express Card.
Sangoma A200 Series of Analog Voice Cards deliver superior audio quality in a compact 2U card that expands from two to twenty-four ports using a single interface slot.
For optimum echo-cancelled voice quality and enhancement choose the A200D Model with DSP daughterboard Hardware Echo Canceller. One DSP echo canceller on the A200D Base Card will support Telco-grade hardware echo cancellation on all channels up to the card's maximum configuration in 24 p...

Sangoma A20204E FXO/FXS PCI Express Card.
Sangoma A200 Series of Analog Voice Cards deliver superior audio quality in a compact 2U card that expands from two to twenty-four ports using a single interface slot.
For optimum echo-cancelled voice quality and enhancement choose the A200D Model with DSP daughterboard Hardware Echo Canceller. One DSP echo canceller on the A200D Base Card will support Telco-grade hardware echo cancellation on all channels up to the card's maximum configuration in 24 p...

Sangoma A20202DE FXO/FXS PCI Express Card with HW EC.
Sangoma A200 Series of Analog Voice Cards deliver superior audio quality in a compact 2U card that expands from two to twenty-four ports using a single interface slot.
For optimum echo-cancelled voice quality and enhancement choose the A200D Model with DSP daughterboard Hardware Echo Canceller. One DSP echo canceller on the A200D Base Card will support Telco-grade hardware echo cancellation on all channels up to the card's maximum configura...

Sangoma A20103DE FXO/FXS PCI Express Card with HW EC.
Sangoma A200 Series of Analog Voice Cards deliver superior audio quality in a compact 2U card that expands from two to twenty-four ports using a single interface slot.
For optimum echo-cancelled voice quality and enhancement choose the A200D Model with DSP daughterboard Hardware Echo Canceller. One DSP echo canceller on the A200D Base Card will support Telco-grade hardware echo cancellation on all channels up to the card's maximum configura...